FR2441920A1 - LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP - Google Patents

LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Info

Publication number
FR2441920A1
FR2441920A1 FR7924242A FR7924242A FR2441920A1 FR 2441920 A1 FR2441920 A1 FR 2441920A1 FR 7924242 A FR7924242 A FR 7924242A FR 7924242 A FR7924242 A FR 7924242A FR 2441920 A1 FR2441920 A1 FR 2441920A1
Authority
FR
France
Prior art keywords
low pressure
pressure mercury
discharge lamp
mercury vapor
vapor discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7924242A
Other languages
French (fr)
Other versions
FR2441920B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2441920A1 publication Critical patent/FR2441920A1/en
Application granted granted Critical
Publication of FR2441920B1 publication Critical patent/FR2441920B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour

Landscapes

  • Discharge Lamp (AREA)

Abstract

LA LAMPE CONTIENT UNE ENCEINTE A DECHARGE DE DIMENSIONS ASSEZ PETITES CONTENANT, COMME GAZ TAMPON, UN MELANGE DE GAZ PRECIEUX, QUI EST RICHE EN HELIUM, MAIS QUI CONTIENT EN OUTRE UNE PETITE QUANTITE D'AU MOINS L'UN DES GAZ PRECIEUX LOURDS, DE PREFERENCE DU KRYPTON. APPLICATION : A LA CONSTRUCTION DES LAMPES A VAPEUR DE MERCURE BASSE PRESSION.THE LAMP CONTAINS A DISCHARGE ENCLOSURE OF SOME SMALL DIMENSIONS CONTAINING, AS BUFFER GAS, A PRECIOUS GAS MIXTURE, WHICH IS RICH IN HELIUM, BUT ALSO CONTAINS A SMALL AMOUNT OF AT LEAST ONE OF THE PRECIOUS HEAVY GASES, PREFERENCE OF KRYPTON. APPLICATION: TO THE CONSTRUCTION OF LOW PRESSURE MERCURY STEAM LAMPS.

FR7924242A 1978-11-17 1979-09-28 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP Granted FR2441920A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7811351A NL7811351A (en) 1978-11-17 1978-11-17 LOW-PRESSURE MERCURY DISCHARGE LAMP.

Publications (2)

Publication Number Publication Date
FR2441920A1 true FR2441920A1 (en) 1980-06-13
FR2441920B1 FR2441920B1 (en) 1982-08-20

Family

ID=19831913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924242A Granted FR2441920A1 (en) 1978-11-17 1979-09-28 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Country Status (9)

Country Link
US (1) US4277720A (en)
JP (2) JPS5572354A (en)
BE (1) BE880094A (en)
CA (1) CA1141419A (en)
DE (1) DE2945714A1 (en)
FR (1) FR2441920A1 (en)
GB (1) GB2042254B (en)
IT (1) IT1125691B (en)
NL (1) NL7811351A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457761B (en) * 1985-05-23 1989-01-23 Lumalampan Ab KOMPAKTLYSROER
US4902933A (en) * 1988-09-20 1990-02-20 General Electric Company High efficacy discharge lamp having large anodes
DE29606857U1 (en) * 1996-04-16 1998-01-29 Weth, Gosbert, Dr.med. Dr.rer.nat., 95346 Stadtsteinach Illuminants for therapeutic purposes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302643A (en) * 1927-12-19 1930-01-06 Claude Neon Lights Inc Improvements in electric discharge devices
US1972183A (en) * 1930-11-05 1934-09-04 Claude Andre Electric gaseous discharge tube
US2622221A (en) * 1945-11-23 1952-12-16 Westinghouse Electric Corp Fluorescent discharge lamp
DE1104605B (en) * 1956-06-27 1961-04-13 Sylvania Electric Prod Low pressure mercury vapor fluorescent lamp for excessive power
US3052813A (en) * 1959-06-30 1962-09-04 Sylvania Electric Prod Helium-argon lamp
FR2391558A1 (en) * 1977-05-18 1978-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh LOW PRESSURE MERCURY STEAM DISCHARGE LAMP

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2109898B2 (en) * 1970-03-03 1974-11-14 Matsushita Electronics Corp., Kadoma, Osaka (Japan) Fluorescent lamp with small dimensions
US3886393A (en) * 1972-08-11 1975-05-27 Owens Illinois Inc Gas mixture for gas discharge device
US4032814A (en) * 1974-08-19 1977-06-28 Duro-Test Corporation Fluorescent lamp with reduced wattage consumption
JPS53114279A (en) * 1977-03-17 1978-10-05 Matsushita Electronics Corp Fluorescent lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302643A (en) * 1927-12-19 1930-01-06 Claude Neon Lights Inc Improvements in electric discharge devices
US1972183A (en) * 1930-11-05 1934-09-04 Claude Andre Electric gaseous discharge tube
US2622221A (en) * 1945-11-23 1952-12-16 Westinghouse Electric Corp Fluorescent discharge lamp
DE1104605B (en) * 1956-06-27 1961-04-13 Sylvania Electric Prod Low pressure mercury vapor fluorescent lamp for excessive power
US3052813A (en) * 1959-06-30 1962-09-04 Sylvania Electric Prod Helium-argon lamp
FR2391558A1 (en) * 1977-05-18 1978-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh LOW PRESSURE MERCURY STEAM DISCHARGE LAMP

Also Published As

Publication number Publication date
BE880094A (en) 1980-05-16
GB2042254B (en) 1983-02-16
DE2945714C2 (en) 1988-03-24
DE2945714A1 (en) 1980-05-29
GB2042254A (en) 1980-09-17
CA1141419A (en) 1983-02-15
IT7927282A0 (en) 1979-11-14
JPS62198658U (en) 1987-12-17
US4277720A (en) 1981-07-07
FR2441920B1 (en) 1982-08-20
NL7811351A (en) 1980-05-20
IT1125691B (en) 1986-05-14
JPH0120764Y2 (en) 1989-06-22
JPS5572354A (en) 1980-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse